diff --git a/Misc/NEWS.d/next/Core and Builtins/2023-08-05-15-15-09.gh-issue-107658.wGMCYf.rst b/Misc/NEWS.d/next/Core and Builtins/2023-08-05-15-15-09.gh-issue-107658.wGMCYf.rst
new file mode 100644
index 00000000000000..58328550bb55ce
--- /dev/null
+++ b/Misc/NEWS.d/next/Core and Builtins/2023-08-05-15-15-09.gh-issue-107658.wGMCYf.rst	
@@ -0,0 +1 @@
+Use same logic to look for exec_prefix as for prefix
diff --git a/Modules/getpath.py b/Modules/getpath.py
index 9913fcba497d30..db762c6956a970 100644
--- a/Modules/getpath.py
+++ b/Modules/getpath.py
@@ -594,6 +594,12 @@ def search_up(prefix, *landmarks, test=isfile):
         prefix = abspath('')
         warn('Could not find platform independent libraries <prefix>')
 
+    # First try to detect exec_prefix by looking alongside our runtime library, if known
+    if library and not exec_prefix:
+        library_dir = dirname(library)
+        if PLATSTDLIB_LANDMARK:
+            if isdir(joinpath(library_dir, PLATSTDLIB_LANDMARK)):
+                exec_prefix = library_dir
 
     # Detect exec_prefix by searching from executable for the platstdlib_dir
     if PLATSTDLIB_LANDMARK and not exec_prefix: